<template>
	<section>
		<!--工具条-->
		<el-col :span="24" class="toolbar" style="padding-bottom: 0px;">
			<el-form :inline="true">
				<el-form-item>
					<el-input v-model="keyword" placeholder="关键字"></el-input>
				</el-form-item>
				<el-form-item>
					<el-button type="warning" v-on:click="keywordQuery">查询</el-button>
				</el-form-item>
				<el-form-item>
					<el-button type="primary" @click="handleAdd">新增</el-button>
				</el-form-item>
			</el-form>
		</el-col>

		<!--列表v-loading="listLoading"-->
		<el-table :data="tableDatas" v-loading="listLoading" @selection-change="handleSelectionChange" highlight-current-row
			style="width: 100%;">
			<!--多选框-->
			<el-table-column type="selection" width="55">
			</el-table-column>
			<el-table-column type="index" width="70" label="序号">
			</el-table-column>
			<el-table-column prop="typeName" label="文章分类" width="120">
			</el-table-column>
			<el-table-column prop="status" label="文章状态" width="120">
        <template slot-scope="scope">
          <span v-if="scope.row.status === 1" style="color: #18c79c">可用</span>
          <span v-if="scope.row.status === 0" style="color: #ff4d51">不可用</span>
        </template>
			</el-table-column>
			<el-table-column prop="createTime" label="创建时间" width="150">
			</el-table-column>
			<el-table-column prop="updateTime" label="修改时间" width="200">
			</el-table-column>
			<el-table-column prop="pname" label="父级分类" width="300" show-overflow-tooltip>
			</el-table-column>
			<el-table-column label="操作">
				<template scope="scope">
					<el-button size="small" @click="handleEdit(scope.row)">编辑</el-button>
					<el-button type="danger" size="small" @click="handleDel(scope.row)">删除</el-button>
				</template>
			</el-table-column>
		</el-table>
		<!--工具条-->
		<el-col :span="24" class="toolbar">
<!--      批量删除-->
			<el-button type="danger" :disabled="this.sels.length === 0" @click="handlePatchDel">批量删除</el-button>
<!--      分页条-->
			<el-pagination @size-change="handleSizeChange" @current-change="handleCurrentChange" :current-page="currentPage"
				:page-sizes="[5, 10, 15]" :page-size="pageSize" layout="total, sizes, prev, pager, next, jumper"
				:total="totals" style="float:right;">
			</el-pagination>
		</el-col>

		<!--添加或修改界面-->
		<el-dialog title="保存用户" :visible.sync="saveFormVisible" :close-on-click-modal="false">
			<el-form :model="saveForm" label-width="80px" :rules="saveFormRules" ref="saveForm">
				<el-form-item label="文章分类" prop="typeName">
					<el-input v-model="saveForm.typeName" auto-complete="off"></el-input>
				</el-form-item>
        <el-form-item label="是否启用">
          <el-radio v-model="saveForm.status" label="1">启用</el-radio>
          <el-radio v-model="saveForm.status" label="0">禁用</el-radio>
        </el-form-item>
				<el-form-item label="父级" >
          <el-cascader v-model="saveForm.parentId" :options="options" :show-all-levels="false" :props="{checkStrictly: true,value:'id',label:'typeName'}"></el-cascader>
				</el-form-item>
			</el-form>
			<div slot="footer" class="dialog-footer">
				<el-button @click.native="saveFormVisible = false">取消</el-button>
				<el-button type="primary" @click.native="saveSubmit">提交</el-button>
			</div>
		</el-dialog>
	</section>
</template>

<script>



export default {
	data() {
		return {
      //父级级联选择器数据
      options:[],
			//1.分页查询相关数据
			totals: 0,//总记录条数
			currentPage: 1,//当前页,要传递到后台的
			pageSize: 5, //每页显示多少条
			tableDatas: [], //当前页数据
			listLoading: false,

			//2.高级查询相关数据
			keyword: '',

			//3.删除相关数据

			//4.批量删除相关数据
			sels: [], //存储多选记录

			//5.添加和修改相关数据
			saveFormVisible: false,
			saveForm: {
				id: null,
				typeName: '',
				status: '',
				createTime: '',
				updateTime: '',
				parentId: '',
				pname: ''
			},

			//6.添加和修改校验规则-表单项校验
			saveFormRules: {
				typeName: [
					{ required: true, message: '请输入文章分类名称', trigger: 'blur' }
				],
			},

		}
	},
	methods: {
    //获取父级树
    getTree(){
      let _this = this;
      _this.$http.get("articleType/getTree",{}).then(res =>{
        let {code,success,message,data} = res.data;
        if (success){
          console.log(data)
          this.options = data;
        }else {
          this.$message.error(message);
        }
      })
    },
		//1.分页查询相关方法
		//1.1.获取列表数据
		getTableData() {
			let _this = this;
      let param = {
        page:_this.currentPage,
        size:_this.pageSize,
        keyword:_this.keyword,
      }
      _this.$http.post("/articleType/pageAll",param).then(res => {
        let {code,success,message,data} = res.data;
        if (success){
          _this.tableDatas = data.list;
          _this.totals = data.total;
        }else {
          this.$message.error(message);
        }
      })
		},
		//1.2.选择第几页时触发
		handleCurrentChange(currentPage) {
      this.currentPage = currentPage;
      this.getTableData();
		},
		//1.3.选择每页显示记录条数时触发
		handleSizeChange(pageSize) {
			this.pageSize = pageSize;
      this.getTableData();
		},

		//2.高级查询相关方法
		keywordQuery() {
      this.getTableData();
		},

		//3.删除相关方法
		handleDel(row) {
      let _this = this;
      _this.$http.delete("/articleType/"+row.id,).then(res => {
        let {code,success,message,data} = res.data;
        if (success){
          this.$message.success("删除成功！！！");
          this.getTableData();
        }else {
          this.$message.error(message);
        }
      })
		},

		//4.批量删除相关方法
		//4.1.选项改变时触发
		handleSelectionChange(val) {
			this.sels = val.map(item => item.id)
		},
		//4.2.批量删除
		handlePatchDel() {
			let _this = this;
      _this.$http.post("articleType/batchDelete",_this.sels).then(res => {
        let {code,success,message,data} = res.data;
        if (success){
          this.$message.success("删除成功！！！");
          this.getTableData();
        }else {
          this.$message.error(message);
        }
      })
		},

		//5.添加和修改相关方法
		//5.1.点击添加弹出对话框
		handleAdd() {
      this.saveForm = {
        id: null,
        typeName: '',
        status: "1", // 统一用字符串
        createTime: '',
        updateTime: '',
        parentId: '',
        pname: ''
      };
      this.saveFormVisible = true
		},
		//5.2.点击修改弹出对话框
		handleEdit(row) {
      this.saveFormVisible = true
      this.saveForm=row
      this.saveForm.status = row.status+""
		},
		//5.3.提交表单数据操作数据库
		saveSubmit() {
      let _this = this;
      this.$refs["saveForm"].validate((valid) => {
        if (valid) {
          _this.saveForm.parentId = _this.saveForm.parentId[_this.saveForm.parentId.length-1]
          _this.$http.post("/articleType",_this.saveForm).then(res => {
            let {code,success,message,data} = res.data;
            if (success){
              this.$message.success("保存成功！！！");
              this.getTableData();
              this.getTree();
              this.saveFormVisible = false
            }else {
              this.$message.error(message);
            }
          })
        } else {
          console.log('error submit!!');
          this.$message.error("保存失败！！！");
          return false;
        }
      })
		},

	},
	mounted() {
		this.getTableData();
    this.getTree();
	}
}

</script>

<style scoped></style>
